.swiperBox {
    width: 400px;
    height: 280px;
    border: 1px #ccc solid;
    position: relative;
}
.imgBox {
    width: 100%;
    height: 100%;
}
.swiperBox span {
    position: absolute;
    top: 140px;
    display: block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    cursor: pointer;
    user-select: none;
    font-size: 20px;
    text-align: center;
    background-color: rgba(218, 218, 218, 0.6);
}
.rightBtn{
    right: 0;
}

